Fuel Efficiency Converter (MPG ⇄ L/100km ⇄ km/L)

All three fuel-economy units from one number, using the exact 3.785 L/gal and 1.609 km/mile conversions (US gallons). Free, instant, private

Quick answer: All three fuel-economy units from one number, using the exact 3.785 L/gal and 1.609 km/mile conversions (US gallons). Free, instant, private — runs entirely in your browser.

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General information only — not medical, financial or legal advice. Figures cross-checked against public official sources (IRS / HMRC / NHS / WHO guidance) as of 2026-08. For decisions that matter, confirm with a licensed professional in your country.

About this tool

All three fuel-economy units from one number, using the exact 3.785 L/gal and 1.609 km/mile conversions (US gallons).

FAQ

Fuel Efficiency Converter (MPG ⇄ L/100km ⇄ km/L) — is it really free?

Yes. No signup, no watermark, no hidden limit — the logic runs entirely in your browser and nothing is uploaded.

Does Fuel Efficiency Converter (MPG ⇄ L/100km ⇄ km/L) store my inputs?

No. Everything is computed on your device; closing the tab erases it all.

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Fuel Efficiency Converter (MPG ⇄ L/100km ⇄ km/L)

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